Electrical transmission or interconnection systems – Vehicle mounted systems – Automobile
Patent
1989-11-20
1992-03-03
Skud, R.
Electrical transmission or interconnection systems
Vehicle mounted systems
Automobile
219203, 363126, H02P 926
Patent
active
050935836
ABSTRACT:
This specification discloses an electric power supply system for an automobile having a load which needs a higher voltage than the normal battery voltage. The electric power supply system of the present invention includes: a multi-phase AC generator having an armature winding, a field winding, a first rectifier for rectifying a multi-phase AC output of the armature winding, and a voltage regulation circuit for controlling a current in the field winding in accordance with a control signal to regulate an output voltage of the first rectifier; a battery charged by a DC output voltage of the first rectifier; a low-voltage load to be powered by the battery; a multi-phase transformer including a primary winding connected to a multi-phase AC output of the armature winding and a secondary winding for inducing a secondary multi-phase voltage higher than the voltage in the primary winding, the primary and secondary windings being electrically insulated from each other; a second rectifier for rectifying the multi-phase secondary voltage from the multi-phase transformer; and a high-voltage load to be powered by a DC output of the second rectifier.
REFERENCES:
patent: 4084126 (1978-11-01), Clements
patent: 4668270 (1987-05-01), Ramus
patent: 4678982 (1987-07-01), Offiler et al.
patent: 4730097 (1988-03-01), Campbell et al.
patent: 4780619 (1988-10-01), Campbell et al.
Futami Tohru
Mashino Keiichi
Nakajima Yuji
Tezuka Shigeki
Hitachi , Ltd.
Nissan Motor Co,. Ltd.
Skud R.
Todd Voeltz Emanuel
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